1. Research Scholar, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Uttarakhand 247667, India.
2. Professor, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Uttarakhand 247667, India (corresponding author).
3. Professor, Dept. of Civil Engineering, Indian Institute of Technology Roorkee, Uttarakhand 247667, India.